In design development, the schematic plans and elevations are reviewed, revised and expanded to incorporate all the details and specifications required for construction. Project components are looked at to the smallest detail. These include: Interior and exterior building materials and finishes.

The product design and development process is creating a new product or improving an existing one. It involves research, market analysis, concept creation, prototyping, and testing. The goal is to create a product that meets the needs of the customer and is profitable for the company.